In a code, every direction is given the name of the direction $90^\circ$ anticlockwise from it: north is called west, west is called south, and so on. Using this code, Asha says the library is 'east' of her house. In which real direction is the library from her house?

NorthCorrect answerYour answerSouthCorrect answerYour answerEastCorrect answerYour answerWestCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer B

Correct answer: B

Worth noting

North applies the code again instead of undoing it. Check: real south turned $90^\circ$ anticlockwise is east, which matches what Asha said.

Ten questions from Direction Sense, at your own pace.

In a code, every direction is given the name of the direction 90∘90^\circ90∘ anticlockwise from it: north is called west, west is called south, and so on. Using this code, Asha says the library is 'east' of her house. In which real direction is the library from her house?